Improved digging-machine



N. BADGER DIGGING MACHINE Patented Feb. 25, 18.62

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| En; co. woran-mo.. wAs'nmsToN D c PATENT FFICE.

n. BADGER, 0F snnLBYvrLnn, KENTUCKY.

liwipaovi- D meente-MACHINE.

Specification forming part of Letters PatentV No. 315,473, dated February 25, 1862.

To all whom t may concern:

Be it known that I, N. BADGER, of Shelbyville, in the county of Shelby and State of Kentucky, have invented a new andlmproved Digging-Machine; and Ido hereby declare that the following is a full, clear,l and exact description of the same, reference being had to the annexed drawings, making a part ot' thisvspecification,

in which-- Figure 1 is a side sectional View ot my in vention, taken in the line .r x of Fi g; 2; Fig. 2, a horizontal section of the'same, taken in' the line y y of Fig-l, and Fig. 3, a detached longitudinal section of the di ggin g-cylinder, taken in the line z z of Fig. l.

",Similar letters of reference indicate'eorrespondingparts in the several igures.

To enable those skilled in the art to fully unn derstand and construct my invention, I will proceed to describe it.

A represents a rectangular frame, which is mounted on two wheels, B B, and has adraft pole, C, attached to its front end.

D is a frame, which is fitted within the frame A and placed loosely onthe axle a of the wheels B B, the axle al passing lthrough the back part of the frame D. On the frame D the drivers seat E is placed, and within the frame there is placed a cylinder, F, the axis G' of which is bent to form a crank, b, at each end, as shown clearly in Figg 3, the ends c of the axis Gr being at the outer ends of the cranks. The bearings ofthe ends c are in the frame D, and to the body of the axis or shaft G of the cylinder F there is attached a series of arms, d, the outer ends of which have bars Hattaehed, and to these bars teeth e or spades are secured. The teeth or spades are of curved form and pass through cylindrical or semi-cy lindrical guides I, which are'tted inthe periphery of the cylinder F, the guides having journals a at their ends, which are fitted in the sides of the cylinder. The axis or shaft Grof the cylinder F does not rotatef-the cylinder F Works upon it'.

To one end 0I the cylinder F there is. at-

tached a toothed wheel, J, into which a wheel,

K, on the axle a gears. On the axle a `there is 'also placed a small toothed wheel, L, which gears into a corresponding4 wheel, M, at one end of a roller, N,l the journals of which have their hearings in pendants j', attached to the bottom of seat E.

Into the wheel M of roller N a wheel, 0,

gears, said wheel O being on a roller, P, which,

is parallel with the roller N. The journals 'ot' the roller l) are tltted in adjustable or swinging bearings g, against which spiral springs h` act, said springs having a tendency to keep the x roller P in contact with the roller N. j

On the front part of the frameAthere is se' cured an npright,Q,wliich has a pulley, It, attached, over which a cord, i, passes, said cord .being attached at one end to the front part ot' frame D and the opposite end attachedv -t'o a' windlass, j, at one side of seat E.

`To the front part of the 'frame D there are attached two caster-wheels, It R', the upper ends of which are provided with-nuts k, said nuts fitting on screws cut on the shanksof the ,caster-wheels.'

The operationof the machine is as follows: v

As the device is drawn along the cylinder F is rotated bythe gearing K J in the directioninl dicated by the arrows, and the teeth or spades e arc forced out from the cylinder F through their guides I in consequence of the eccentric.

position of the main portion of the shaft G of the cylinder F, the shaft G having such a position' that the teeth or spades will be forced out from the cylinder yas they pass under. neath its axis or shaft Gand bedrawn inward as-'they ascend at the front part of the cylinder. The teeth or spades e penetrate the earth at the vunder side of the cylinder and raise it upward, the earth being discharged at the vback side ot' the cylinder in consequence of the teeth ory 'spadeslbeing drawn within it.

When the implement is used as a digging de-4 vice the rollers N Pare used to crush the clods'" D is accomplished by the driver actuating the Having thus described my invention, what I windlassj. claim as new,'and desire to secure by Letters The depth ofthe penetratiouof the teethl or Patent, ise sha-res e may be regulated by adjusting the 1. The combination of the oscillating guides nuts c on the shanks ofthe caster-wheelsR R. I, arms d, and crank G,iwith the cylinder F, as The guides l vserve to facilitate the forcing: andforthe purposeherein shown' and described. out; ofthe teeth or spades from the cylinder and 2. The combination, with the above parts, of

their withdrawal therein. the pulverizing-rollers N P, as shown and de- This invention is an improvement upcn the scribed. device patented by B. F. Fields, 1859.. I there- Witnesses: N. BADGER.

fore disclaim the invention of the cylinder and l A. B.VKNIGHT,

arms operated by an eccentric; but. R. A. P.' SMITH. 

